Soluzione per Sudoku diabolico #1389523761441

8
1
2
5
1
7
3
6
2
9
8
3
9
4
7
4
3
1
9
9
8
6
8
5
1
2
1

Questo puzzle di sudoku ha 74 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, Hidden Pair, undefined, AIC, Locked Pair, Continuous Nice Loop, Skyscraper, Sue de Coq.

Prova a risolvere

Passaggi della soluzione:

  1. Riga 5 / Colonna 3 → 5 (Naked Single)
  2. Riga 5 / Colonna 7 → 6 (Naked Single)
  3. Riga 5 / Colonna 8 → 2 (Naked Single)
  4. Riga 5 / Colonna 2 → 1 (Full House)
  5. Riga 1 / Colonna 9 → 1 (Hidden Single)
  6. Riga 4 / Colonna 4 → 1 (Hidden Single)
  7. Riga 7 / Colonna 1 → 1 (Hidden Single)
  8. Riga 1 / Colonna 8 → 8 (Hidden Single)
  9. Locked Candidates Type 1 (Pointing): 9 in b3 => r2c16<>9
  10. Locked Candidates Type 1 (Pointing): 8 in b6 => r4c6<>8
  11. Locked Candidates Type 1 (Pointing): 5 in b7 => r8c79<>5
  12. Locked Candidates Type 2 (Claiming): 4 in r1 => r2c13,r3c12<>4
  13. Naked Triple: 3,4,6 in r247c6 => r38c6<>4, r68c6<>6, r8c6<>3
  14. Hidden Pair: 2,9 in r8c6,r9c5 => r9c5<>3, r9c5<>7
  15. 2-String Kite: 4 in r3c9,r7c6 (connected by r2c6,r3c4) => r7c9<>4
  16. Locked Candidates Type 2 (Claiming): 4 in r7 => r8c4<>4
  17. XY-Wing: 6/7/4 in r14c2,r6c3 => r1c3<>4
  18. Riga 1 / Colonna 3 → 3 (Naked Single)
  19. XY-Chain: 4 4- r1c2 -6- r1c5 -9- r9c5 -2- r8c6 -9- r8c7 -4 => r8c2<>4
  20. AIC: 4 4- r3c9 =4= r3c4 =8= r3c6 =9= r8c6 -9- r8c7 -4 => r2c7,r89c9<>4
  21. Locked Pair: 5,9 in r2c78 => r2c19,r3c9<>5
  22. Continuous Nice Loop: 3/4/6/7 4= r1c1 =9= r3c1 =5= r8c1 =3= r8c4 -3- r2c4 =3= r2c6 -3- r4c6 -6- r4c2 =6= r1c2 =4= r1c1 =9 => r7c46<>3, r8c1<>4, r1c1,r4c5<>6, r38c1<>7
  23. Skyscraper: 6 in r1c5,r4c6 (connected by r14c2) => r2c6,r6c5<>6
  24. X-Wing: 6 r26 c14 => r78c4<>6
  25. Riga 8 / Colonna 9 → 6 (Hidden Single)
  26. Sue de Coq: r23c4 - {34678} (r78c4 - {347}, r1c5,r3c6 - {689}) => r3c5<>9
  27. Riga 3 / Colonna 5 → 7 (Naked Single)
  28. XY-Chain: 4 4- r2c6 -3- r4c6 -6- r6c4 -8- r3c4 -4 => r2c4<>4
  29. XY-Chain: 5 5- r4c5 -3- r4c6 -6- r7c6 -4- r7c4 -7- r7c9 -5 => r4c9<>5
  30. Riga 7 / Colonna 9 → 5 (Hidden Single)
  31. Finned X-Wing: 7 c29 r49 fr8c2 => r9c1<>7
  32. Hidden Pair: 6,7 in r26c1 => r6c1<>4
  33. Riga 6 / Colonna 3 → 4 (Hidden Single)
  34. Riga 8 / Colonna 7 → 4 (Hidden Single)
  35. Riga 8 / Colonna 6 → 9 (Hidden Single)
  36. Riga 3 / Colonna 6 → 8 (Naked Single)
  37. Riga 9 / Colonna 5 → 2 (Naked Single)
  38. Riga 3 / Colonna 4 → 4 (Naked Single)
  39. Riga 6 / Colonna 6 → 2 (Naked Single)
  40. Riga 6 / Colonna 5 → 5 (Naked Single)
  41. Riga 2 / Colonna 6 → 3 (Naked Single)
  42. Riga 3 / Colonna 9 → 2 (Naked Single)
  43. Riga 7 / Colonna 4 → 7 (Naked Single)
  44. Riga 4 / Colonna 5 → 3 (Naked Single)
  45. Riga 6 / Colonna 8 → 7 (Naked Single)
  46. Riga 2 / Colonna 4 → 6 (Naked Single)
  47. Riga 1 / Colonna 5 → 9 (Full House)
  48. Riga 7 / Colonna 5 → 6 (Full House)
  49. Riga 4 / Colonna 6 → 6 (Naked Single)
  50. Riga 6 / Colonna 4 → 8 (Full House)
  51. Riga 8 / Colonna 4 → 3 (Full House)
  52. Riga 6 / Colonna 1 → 6 (Full House)
  53. Riga 7 / Colonna 6 → 4 (Full House)
  54. Riga 7 / Colonna 8 → 3 (Full House)
  55. Riga 4 / Colonna 2 → 7 (Full House)
  56. Riga 2 / Colonna 9 → 4 (Naked Single)
  57. Riga 3 / Colonna 2 → 5 (Naked Single)
  58. Riga 3 / Colonna 1 → 9 (Full House)
  59. Riga 4 / Colonna 9 → 8 (Naked Single)
  60. Riga 4 / Colonna 7 → 5 (Full House)
  61. Riga 9 / Colonna 9 → 7 (Full House)
  62. Riga 2 / Colonna 1 → 7 (Naked Single)
  63. Riga 1 / Colonna 1 → 4 (Naked Single)
  64. Riga 1 / Colonna 2 → 6 (Full House)
  65. Riga 2 / Colonna 3 → 2 (Full House)
  66. Riga 8 / Colonna 3 → 7 (Full House)
  67. Riga 8 / Colonna 1 → 5 (Naked Single)
  68. Riga 8 / Colonna 2 → 2 (Full House)
  69. Riga 9 / Colonna 2 → 4 (Full House)
  70. Riga 9 / Colonna 1 → 3 (Full House)
  71. Riga 9 / Colonna 8 → 9 (Naked Single)
  72. Riga 2 / Colonna 8 → 5 (Full House)
  73. Riga 2 / Colonna 7 → 9 (Full House)
  74. Riga 9 / Colonna 7 → 8 (Full House)
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